CVE-2023-6620: The POST SMTP Mailer WordPress plugin before 2.8.7 does not properly sanitise and escape several parameters before using them in SQL statements, leading to a SQL injection exploitable by high privileg

high Affects post-smtp (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published 2024-01-15; advisory modified 2026-06-17.

The POST SMTP Mailer WordPress plugin before 2.8.7 does not properly sanitise and escape several parameters before using them in SQL statements, leading to a SQL injection exploitable by high privileg

Package: post-smtp (WordPress plugin) WordPress
Affected versions: <2.8.7
Fixed in: 2.8.7
Severity: high CVSS 7.2
Exploitation: not on CISA KEV · EPSS 14% (96.5th percentile)
Published: 2024-01-15
Source: nvd

References

CWE-89

NVD record post-smtp (WordPress plugin) advisories

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